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In which of the following, a separate schema is created consisting of that attribute and the primary key of the entity set.

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In which of the following, a separate schema is created consisting of that attribute and the primary key of the entity set.

(a) A many-to-many relationship set

(b) A multivalued attribute of an entity set

(c) A one-to-many relationship set

(d) None of the mentioned

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This is a very interesting question from Multivalued Dependencies in portion Normalization of Database Management

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The correct choice is (b) A multivalued attribute of an entity set

Best explanation: If a multivalued dependency holds and is not implied by the corresponding functional dependency, it usually arises from this source.

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